*{
    margin: 0;
    padding: 0;
}
body{
    background: #f4f4f4;
}
.div{
    width: 100%;
}
h1{
    text-align: center;
    line-height: 200px;
    background: #ccc;
    margin-bottom: 50px;
    font-size: 50px;
    font-weight: 300;
}
.w{
    width: 1000px;
    margin: auto;
    background: #fff;
    padding: 20px;
}
.w h2{
    font-size: 36px;
    font-weight: 200;
    margin-bottom: 10px;
}
#a,#c,#btn{
    width: 230px;
    line-height: 40px;
    border: 1px solid #ccc;
    border-radius: 5px;
}
#btn{
    background: #666ada;
    color: #fff;
}
.b{
    width: 230px;
    height: 42px;
    border: 1px solid #ccc;
    vertical-align: middle;
    border-radius: 5px;
}
#a,.b,#c{
    margin-right: 13px;
    padding-left: 10px;
}
.top{
    margin-bottom: 50px;
}
.bottom h2{
    margin-bottom: 20px;
}

ul li{
    list-style: none;
    line-height: 50px;
    background: #0000002e;
    margin-bottom: 10px;
}
span{
    font-weight: bold;
    font-size: 20px;
    width: 320px;
    display: inline-block;
    text-align: center;
}